Do people not have souls? If I am able to pray for you, or you for me, or me for the soul of my dead brother - then can not the soul of the unstained Mother of Christ also be influenced by our prayers?
No.
And if by “unstained” you mean sinless, you are in grave error. Mary needed a saviour just as much as you and me.
>> “ then can not the soul of the unstained Mother of Christ also be influenced by our prayers?” <<
.
Find it in the scriptures.
Start with Jeremiah 7
I’ve always found the passage of Saul and Samuel (1st Sam 28:7-19) to be quite revealing regarding the communication of the living with those who are dead.
I suspect she is very dead, and very much aware every time somebody evokes her name. FWIW, I suspect part of her suffering is due to her being emulated as the “Queen of Heaven” instead of a more mildly recognized person in His direct family.